stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
key Concepts Chemistry Flashcards | StudBud
key Concepts Chemistry
1 / 25
Copper has 2 isotopes; 69% is Cu 63 and 31% is Cu 65. What is the RAM?
A
RAM = (69 + 31) x 100 = 10000
B
RAM = 63 + 65 /2 = 64
C
RAM = (69 x 63) + (31 x 65) / 100 = 63.62
D
RAM = (69 + 63) x (31 + 65) / 100 = 2.28
Next
0
0
correct · 0:00
